$ git clone -n https://src.fedoraproject.org/rpms/python-process-tests.git /var/lib/mock/f40-build-2223025-52723/root/chroot_tmpdir/scmroot/python-process-tests
Cloning into '/var/lib/mock/f40-build-2223025-52723/root/chroot_tmpdir/scmroot/python-process-tests'...
$ git fetch origin e239137aa948a9a6860a4209ff9f64a92e97c5e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-process-tests
 * [new ref]         e239137aa948a9a6860a4209ff9f64a92e97c5e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e239137 Update to 3.0.0